SRAM, X-SYNC 2 Steel 6mm, Chainring, Teeth: 32, Speed: 11/12, BCD: Direct Mount, Single, Steel, Black

SRAM, X-SYNC 2 SL XX1 Eagle Lunar Grey 6mm, Chainring, Teeth: 30, Speed: 12, BCD: Direct Mount, Single, Alloy, Grey

FSA, 52T, 10/11sp., BCD: 110mm, 5 Bolts, Pro Road, Outer Chainring, For Double, Aluminum, Black, 371-0252H

SRAM, X-Sync 2 Eagle 3mm Offset, Chainring, Teeth: 30, Speed: 12, BCD: Direct Mount, Single, Aluminum, Gold

Truvativ, 11.6915.009.000, Chain ring bolt kit 5-arm, Double, Aluminum, Black